Home / 3,815.13-5,264.51-2,136.41

Finding the Fourth Proportional to 3,815.13, 5,264.51 and 2,136.41

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Solution

The fourth proportional to 3,815.13, 5,264.51 and 2,136.41 is: 2,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.13 : 5,264.51 = 2,136.41 : x
  2. Step 2: Convert to fraction form
    3,815.13/5,264.51 = 2,136.41/x
  3. Step 3: Cross multiply
    3,815.13x = 5,264.51 × 2,136.41
  4. Step 4: Simplify right side
    3,815.13x = 11,247,125.49
  5. Step 5: Solve for x
    x = 11,247,125.49/3,815.13
  6. Step 6: Final answer
    x = 2,948.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.